diff options
Diffstat (limited to 'contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsReginfo.cpp')
| -rw-r--r-- | contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsReginfo.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsReginfo.cpp b/contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsReginfo.cpp new file mode 100644 index 0000000..1dc9bcb --- /dev/null +++ b/contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsReginfo.cpp @@ -0,0 +1,80 @@ +//===-- MipsReginfo.cpp - Registerinfo handling --------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +// .reginfo +// Elf32_Word ri_gprmask +// Elf32_Word ri_cprmask[4] +// Elf32_Word ri_gp_value +// +// .MIPS.options - N64 +// Elf64_Byte kind (ODK_REGINFO) +// Elf64_Byte size (40 bytes) +// Elf64_Section section (0) +// Elf64_Word info (unused) +// Elf64_Word ri_gprmask () +// Elf64_Word ri_pad () +// Elf64_Word[4] ri_cprmask () +// Elf64_Addr ri_gp_value () +// +// .MIPS.options - N32 +// Elf32_Byte kind (ODK_REGINFO) +// Elf32_Byte size (36 bytes) +// Elf32_Section section (0) +// Elf32_Word info (unused) +// Elf32_Word ri_gprmask () +// Elf32_Word ri_pad () +// Elf32_Word[4] ri_cprmask () +// Elf32_Addr ri_gp_value () +// +//===----------------------------------------------------------------------===// +#include "MCTargetDesc/MipsReginfo.h" +#include "MipsSubtarget.h" +#include "MipsTargetObjectFile.h" +#include "llvm/MC/MCStreamer.h" + +using namespace llvm; + +// Integrated assembler version +void +MipsReginfo::emitMipsReginfoSectionCG(MCStreamer &OS, + const TargetLoweringObjectFile &TLOF, + const MipsSubtarget &MST) const +{ + + if (OS.hasRawTextSupport()) + return; + + const MipsTargetObjectFile &TLOFELF = + static_cast<const MipsTargetObjectFile &>(TLOF); + OS.SwitchSection(TLOFELF.getReginfoSection()); + + // .reginfo + if (MST.isABI_O32()) { + OS.EmitIntValue(0, 4); // ri_gprmask + OS.EmitIntValue(0, 4); // ri_cpr[0]mask + OS.EmitIntValue(0, 4); // ri_cpr[1]mask + OS.EmitIntValue(0, 4); // ri_cpr[2]mask + OS.EmitIntValue(0, 4); // ri_cpr[3]mask + OS.EmitIntValue(0, 4); // ri_gp_value + } + // .MIPS.options + else if (MST.isABI_N64()) { + OS.EmitIntValue(1, 1); // kind + OS.EmitIntValue(40, 1); // size + OS.EmitIntValue(0, 2); // section + OS.EmitIntValue(0, 4); // info + OS.EmitIntValue(0, 4); // ri_gprmask + OS.EmitIntValue(0, 4); // pad + OS.EmitIntValue(0, 4); // ri_cpr[0]mask + OS.EmitIntValue(0, 4); // ri_cpr[1]mask + OS.EmitIntValue(0, 4); // ri_cpr[2]mask + OS.EmitIntValue(0, 4); // ri_cpr[3]mask + OS.EmitIntValue(0, 8); // ri_gp_value + } + else llvm_unreachable("Unsupported abi for reginfo"); +} + |
